American Fuzzy Lop - Revision history

Admin: /* Flags */

2017-04-16T21:40:24Z

Flags

← Older revision		Revision as of 21:40, 16 April 2017
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	[[Image:AmericanFuzzyLoop2.png\|500px]]		[[Image:AmericanFuzzyLoop2.png\|500px]]

			=Links=

			Nice overview and tutorial to causing and exploring program crashes: http://necurity.co.uk/netsec/2015-03-26-Fun-With-AFL/#sthash.h9Aurb7C.dpbs

	=Flags=		=Flags=

2017-04-16T21:37:55Z

← Older revision		Revision as of 21:37, 16 April 2017
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	[[Image:AmericanFuzzyLoop2.png\|500px]]		[[Image:AmericanFuzzyLoop2.png\|500px]]

			=Flags=

			{{FuzzingFlag}}

			{{KaliFlag}}

2017-04-16T21:34:16Z

← Older revision		Revision as of 21:34, 16 April 2017
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	~~{{Orphan\|date=April 2017}}~~		Link to more information: https://necurity.co.uk/netsec/2015/03/30/Fun-With-AFL.html#sthash.h9Aurb7C.dpbs
	~~Fuzzer~~

	~~https://necurity.co.uk/netsec/2015/03/30/Fun-With-AFL.html#sthash.h9Aurb7C.dpbs~~		American fuzzy lop is a program for [[Fuzzing]]. It is very sophisticated and can be instrumented with a binary to do very targeted fuzzing.

	~~=About=~~

	American fuzzy lop is a program for ~~fuzzing inputs~~. It is very sophisticated and can be instrumented with a binary to do very targeted fuzzing.

	=Installing=		=Installing=

2017-04-16T03:27:43Z

Bot: Orphan page, add template

2016-04-02T17:54:35Z

Fuzzing a Program

← Older revision		Revision as of 17:54, 2 April 2016
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	[[Image:AmericanFuzzyLoop1.png\|500px]]		[[Image:AmericanFuzzyLoop1.png\|500px]]

			[[Image:AmericanFuzzyLoop2.png\|500px]]

2016-04-02T17:53:50Z

Fuzzing a Program

← Older revision		Revision as of 17:53, 2 April 2016
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	make install		make install
	</pre>		</pre>

			[[Image:AmericanFuzzyLoop1.png\|500px]]

2016-04-02T07:54:19Z

Fuzzing a Program

@@ Line 29: / Line 29: @@
 Programs that can be fuzzed are those that take input files, usually binary files or unusual formats. (Think mp3, multimedia, images, etc.)
 <pre>
-# apt-get install --fix-missing libssl-dev
+wget http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.1.6.tar.gz
 </pre>

2016-04-02T05:44:55Z

Compiling John the Ripper

← Older revision		Revision as of 05:44, 2 April 2016
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	</pre>		</pre>

	Now we have compiled binaries in the <code>run/<code> directory, one level up:		Now we have compiled binaries in the <code>run</code> directory, one level up:

	<pre>		<pre>
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	# ./john		# ./john
	</pre>		</pre>

			Fuzz time.


			==Fuzzing John the Ripper==

2016-04-02T05:44:14Z

Compile John the Ripper

← Older revision		Revision as of 05:44, 2 April 2016
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	[+] Instrumented 386 locations (64-bit, non-hardened mode, ratio 100%).		[+] Instrumented 386 locations (64-bit, non-hardened mode, ratio 100%).
	afl-as 2.10b by <lcamtuf@google.com>		afl-as 2.10b by <lcamtuf@google.com>
			</pre>

			Now we have compiled binaries in the <code>run/<code> directory, one level up:

			<pre>
			# cd ../run/
			# ./john
	</pre>		</pre>

2016-04-02T05:40:12Z

Compile John the Ripper

← Older revision		Revision as of 05:40, 2 April 2016
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	Configure finished. Now 'make clean && make -s' to compile.		Configure finished. Now 'make clean && make -s' to compile.

			</pre>

			when run make clean and make -s, see lots of output like this:

			<pre>
			# make clean && make -s

			[...]

			[+] Instrumented 386 locations (64-bit, non-hardened mode, ratio 100%).
			afl-as 2.10b by <lcamtuf@google.com>
	</pre>		</pre>